Search a number
-
+
381055034929 is a prime number
BaseRepresentation
bin1011000101110001010…
…01100110011000110001
31100102120101021102120211
411202320221212120301
522220400042104204
6451015415504121
736346620232462
oct5427051463061
91312511242524
10381055034929
111376716a6778
1261a26688041
1329c196cc93a
141462c072d69
159da35d0804
hex58b8a66631

381055034929 has 2 divisors, whose sum is σ = 381055034930. Its totient is φ = 381055034928.

The previous prime is 381055034887. The next prime is 381055034947. The reversal of 381055034929 is 929430550183.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 338750772529 + 42304262400 = 582023^2 + 205680^2 .

It is a cyclic number.

It is not a de Polignac number, because 381055034929 - 211 = 381055032881 is a prime.

It is not a weakly prime, because it can be changed into another prime (381055034959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190527517464 + 190527517465.

It is an arithmetic number, because the mean of its divisors is an integer number (190527517465).

Almost surely, 2381055034929 is an apocalyptic number.

It is an amenable number.

381055034929 is a deficient number, since it is larger than the sum of its proper divisors (1).

381055034929 is an equidigital number, since it uses as much as digits as its factorization.

381055034929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1166400, while the sum is 49.

The spelling of 381055034929 in words is "three hundred eighty-one billion, fifty-five million, thirty-four thousand, nine hundred twenty-nine".